Cheap flights from Houston to London Heathrow Airport from £187
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
3 Sep — 10 Sep1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Houston to London Heathrow are usually found in February or October, booked 78 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Houston to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Mon 29/915:30IAH - LHR
Nonstop9h 10mBritish Airways
Wed 8/1014:50LHR - IAH
Nonstop10h 25mBritish Airways
Deal found 27/8£386
Mon 29/916:29IAH - LHR
1 stop12h 21mBritish Airways
Fri 10/1014:50LHR - IAH
Nonstop10h 25mBritish Airways
Deal found 27/8£389
Mon 29/918:39IAH - LHR
1 stop11h 36mIberia
Fri 10/1016:25LHR - IAH
1 stop13h 27mIberia
Deal found 27/8£397
Mon 29/914:33HOU - LHR
1 stop12h 27mBritish Airways
Fri 10/1008:20LHR - HOU
1 stop13h 51mBritish Airways
Deal found 27/8£397
Mon 13/1015:30IAH - LHR
Nonstop9h 10mBritish Airways
Sun 26/1009:35LHR - IAH
Nonstop10h 30mBritish Airways
Deal found 28/8£423
Wed 3/1218:10IAH - LHR
1 stop11h 55mBritish Airways
Sun 7/1215:25LHR - IAH
Nonstop10h 35mBritish Airways
Deal found 28/8£426
Thu 6/1113:15IAH - LHR
1 stop11h 20mBritish Airways
Wed 12/1109:35LHR - IAH
Nonstop10h 30mBritish Airways
Deal found 28/8£427
Wed 3/1212:15IAH - LHR
1 stop12h 35mIberia
Sun 7/1214:55LHR - IAH
1 stop13h 01mIberia
Deal found 28/8£434
Tue 18/1118:37HOU - LHR
1 stop11h 38mBritish Airways
Sun 23/1114:55LHR - HOU
1 stop15h 02mBritish Airways
Deal found 28/8£434
Thu 6/1112:15HOU - LHR
1 stop12h 35mBritish Airways
Wed 12/1108:20LHR - HOU
1 stop13h 34mBritish Airways
Deal found 28/8£434
Tue 11/1122:00IAH - LHR
1 stop29h 40mMultiple Airlines
Fri 14/1106:00LHR - IAH
2 stops21h 44mMultiple Airlines
Deal found 27/8£452
Mon 15/1221:45IAH - LHR
Nonstop9h 00mIberia
Thu 25/1209:35LHR - IAH
Nonstop10h 30mIberia
Deal found 28/8£453
Best flights from Houston to Heathrow
Discover carefully curated flight deals from Houston to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.
Mon 19/117:18IAH - LHR
1 stop12h 47mBritish Airways
Thu 29/111:55LHR - IAH
1 stop14h 11mBritish Airways
Deal found 28/8£397
Wed 4/215:50IAH - LHR
Nonstop9h 00mIberia
Sat 14/215:25LHR - IAH
Nonstop10h 35mIberia
Deal found 28/8£423
Tue 30/910:00IAH - LHR
1 stop14h 30mUnited Airlines
Tue 21/1006:55LHR - IAH
1 stop15h 40mUnited Airlines
Deal found 28/8£465
Mon 20/1010:00IAH - LHR
1 stop17h 35mAir Canada
Tue 4/1106:50LHR - IAH
2 stops20h 49mAir Canada
Deal found 28/8£469
Wed 4/217:18IAH - LHR
1 stop12h 47mBritish Airways
Sat 14/215:25LHR - IAH
Nonstop10h 35mBritish Airways
Deal found 28/8£426
Tue 17/211:50IAH - LHR
1 stop13h 20mUnited Airlines
Thu 26/209:30LHR - IAH
1 stop14h 45mUnited Airlines
Deal found 28/8£467
Sun 19/1009:48IAH - LHR
1 stop21h 32mAir Canada
Wed 5/1106:50LHR - IAH
2 stops20h 49mAir Canada
Deal found 28/8£469
Mon 12/118:25HOU - LHR
1 stop11h 50mBritish Airways
Sun 25/110:15LHR - HOU
1 stop13h 48mBritish Airways
Deal found 28/8£434
Mon 20/1010:00IAH - LHR
1 stop17h 35mAir Canada
Wed 5/1106:50LHR - IAH
2 stops20h 49mAir Canada
Deal found 28/8£469
Tue 18/1118:37HOU - LHR
1 stop11h 38mBritish Airways
Sun 23/1114:55LHR - HOU
1 stop15h 02mBritish Airways
Deal found 28/8£434
Wed 15/1010:00IAH - LHR
1 stop14h 30mAir Canada
Wed 5/1106:50LHR - IAH
2 stops20h 49mAir Canada
Deal found 28/8£469
Wed 11/216:24HOU - LHR
1 stop13h 16mBritish Airways
Mon 23/210:35LHR - HOU
1 stop15h 28mBritish Airways
Deal found 28/8£434
Direct flights from Houston to Heathrow
Explore direct flight options from Houston to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2025.
Mon 19/115:50IAH - LHR
Nonstop9h 00mIberia
Thu 29/109:35LHR - IAH
Nonstop10h 30mIberia
Deal found 27/8£386
Wed 11/215:50IAH - LHR
Nonstop9h 00mIberia
Sun 22/215:25LHR - IAH
Nonstop10h 35mIberia
Deal found 28/8£423
Mon 15/1221:45IAH - LHR
Nonstop9h 00mIberia
Thu 25/1209:35LHR - IAH
Nonstop10h 30mIberia
Deal found 28/8£453
Thu 6/1115:50IAH - LHR
Nonstop9h 00mIberia
Sun 9/1115:25LHR - IAH
Nonstop10h 35mIberia
Deal found 27/8£460
Sun 14/916:20IAH - LHR
Nonstop9h 20mUnited Airlines
Tue 30/913:40LHR - IAH
Nonstop10h 15mUnited Airlines
Deal found 27/8£466
Wed 8/1021:00IAH - LHR
Nonstop9h 20mBritish Airways
Wed 29/1009:35LHR - IAH
Nonstop10h 30mBritish Airways
Deal found 27/8£469
Wed 1/1021:00IAH - LHR
Nonstop9h 20mBritish Airways
Wed 22/1009:25LHR - IAH
Nonstop10h 20mBritish Airways
Deal found 26/8£470
Tue 30/921:00IAH - LHR
Nonstop9h 20mBritish Airways
Wed 22/1009:25LHR - IAH
Nonstop10h 20mBritish Airways
Deal found 26/8£471
Tue 21/1015:30IAH - LHR
Nonstop9h 10mBritish Airways
Wed 12/1109:35LHR - IAH
Nonstop10h 30mBritish Airways
Deal found 27/8£471
Tue 30/915:30IAH - LHR
Nonstop9h 10mBritish Airways
Tue 21/1009:25LHR - IAH
Nonstop10h 20mBritish Airways
Deal found 28/8£473
Sun 14/921:40IAH - LHR
Nonstop9h 20mBritish Airways
Tue 30/914:50LHR - IAH
Nonstop10h 25mBritish Airways
Deal found 27/8£474
Last-minute flights from Houston to Heathrow
Discover last-minute flight deals from Houston to Heathrow. Data last updated 29 August 2025 and is based on user searches.
Wed 3/914:33HOU - LHR
1 stop12h 27mBritish Airways
Wed 10/908:20LHR - HOU
1 stop13h 35mBritish Airways
Deal found 27/8£528
Wed 3/914:33HOU - LHR
1 stop12h 27mIberia
Fri 19/912:00LHR - HOU
1 stop14h 11mIberia
Deal found 28/8£529
Sun 7/913:05HOU - LHR
1 stop11h 40mMultiple Airlines
Tue 28/1008:55LHR - HOU
1 stop13h 53mMultiple Airlines
Deal found 27/8£537
Sun 14/912:00IAH - LHR
1 stop17h 50mAir Canada
Tue 30/909:30LHR - IAH
1 stop16h 12mAir Canada
Deal found 28/8£455
Sun 14/910:00IAH - LHR
1 stop14h 30mMultiple Airlines
Tue 30/906:50LHR - IAH
2 stops18h 52mMultiple Airlines
Deal found 27/8£458
Sun 14/916:20IAH - LHR
Nonstop9h 20mUnited Airlines
Tue 30/913:40LHR - IAH
Nonstop10h 15mUnited Airlines
Deal found 27/8£466
Sun 14/916:20IAH - LHR
Nonstop9h 20mUnited Airlines
Wed 24/909:30LHR - IAH
1 stop14h 20mUnited Airlines
Deal found 28/8£467
Sun 21/910:00IAH - LHR
1 stop14h 30mAir Canada
Tue 7/1009:30LHR - IAH
1 stop16h 12mAir Canada
Deal found 28/8£454
Sun 21/910:00IAH - LHR
1 stop17h 35mMultiple Airlines
Tue 7/1006:00LHR - IAH
2 stops22h 14mMultiple Airlines
Deal found 28/8£456
Tue 23/916:20IAH - LHR
Nonstop9h 20mUnited Airlines
Wed 8/1007:25LHR - IAH
1 stop15h 10mUnited Airlines
Deal found 28/8£465
Mon 29/915:30IAH - LHR
Nonstop9h 10mBritish Airways
Wed 8/1014:50LHR - IAH
Nonstop10h 25mBritish Airways
Deal found 27/8£386
Mon 29/916:29IAH - LHR
1 stop12h 21mBritish Airways
Fri 10/1014:50LHR - IAH
Nonstop10h 25mBritish Airways
Deal found 27/8£389
One-way flights from Houston to Heathrow
Search for one-way flight options from Houston to Heathrow. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.
Thu 2/1005:50IAH - LHR
3 stops34h 15mMultiple Airlines
Deal found 27/8£187
Thu 13/1119:52IAH - LHR
3 stops39h 38mMultiple Airlines
Deal found 27/8£194
Tue 14/1011:42IAH - LHR
2 stops24h 03mMultiple Airlines
Deal found 27/8£197
Sat 6/917:46IAH - LHR
3 stops58h 34mMultiple Airlines
Deal found 28/8£198
Thu 25/922:02IAH - LHR
2 stops37h 43mMultiple Airlines
Deal found 28/8£200
Wed 3/908:00IAH - LHR
3 stops48h 15mMultiple Airlines
Deal found 26/8£202
Fri 26/905:50IAH - LHR
3 stops34h 10mMultiple Airlines
Deal found 28/8£204
Thu 11/922:02IAH - LHR
2 stops54h 18mMultiple Airlines
Deal found 28/8£205
Fri 3/1005:50IAH - LHR
3 stops29h 55mMultiple Airlines
Deal found 27/8£206
Sun 14/905:50IAH - LHR
3 stops55h 00mMultiple Airlines
Deal found 27/8£207
Tue 23/907:30IAH - LHR
3 stops29h 20mMultiple Airlines
Deal found 28/8£208
Sun 5/1020:32HOU - LHR
1 stop11h 53mBritish Airways
Deal found 28/8£283
Cheapflights Fare Finder
Customise your flight search to find flights from Houston to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.
Fly from
Houston
Fly to
Heathrow
Route
Depart
Return
Price
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Mon 19/1
17:18-12:05
1 stop12h 47m
London Heathrow
Thu 29/1
11:55-20:06
1 stop14h 11m
£397
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Wed 4/2
15:50-06:50
Nonstop9h 00m
London Heathrow
Sat 14/2
15:25-20:00
Nonstop10h 35m
£423
HoustonLondon
IAH - LHR
IAHLHR
Houston George Bush Intcntl
Wed 4/2
17:18-12:05
1 stop12h 47m
London Heathrow
Sat 14/2
15:25-20:00
Nonstop10h 35m
£426
HoustonLondon
HOU - LHR
HOULHR
Houston Hobby
Mon 12/1
18:25-12:15
1 stop11h 50m
London Heathrow
Sun 25/1
10:15-18:03
1 stop13h 48m
£434
HoustonLondon
HOU - LHR
HOULHR
Houston Hobby
Tue 18/11
18:37-12:15
1 stop11h 38m
London Heathrow
Sun 23/11
14:55-23:57
1 stop15h 02m
£434
HoustonLondon
HOU - LHR
HOULHR
Houston Hobby
Wed 11/2
16:24-11:40
1 stop13h 16m
London Heathrow
Mon 23/2
10:35-20:03
1 stop15h 28m
£434
HoustonLondon
HOU - LHR
HOULHR
Houston Hobby
Mon 26/1
18:25-12:15
1 stop11h 50m
London Heathrow
Sun 8/2
12:10-20:05
1 stop13h 55m
£434
HoustonLondon
HOU - LHR
HOULHR
Houston Hobby
Mon 9/2
16:24-11:40
1 stop13h 16m
London Heathrow
Sun 22/2
10:35-17:49
1 stop13h 14m
£434
HoustonLondon
HOU - LHR
HOULHR
Houston Hobby
Mon 16/2
18:31-12:15
1 stop11h 44m
London Heathrow
Sun 1/3
10:15-17:49
1 stop13h 34m
£434
HoustonLondon
HOU - LHR
HOULHR
Houston Hobby
Mon 2/2
16:24-10:00
1 stop11h 36m
London Heathrow
Sun 15/2
12:10-20:03
1 stop13h 53m
£434
Flights are sorted by cheapest return flights first.
Deals found on 27/8
Showing 1-10 of 39 results
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Best time to book a flight from Houston to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Houston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston to London Heathrow Airport
How far ahead should I book a flight from Houston to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Houston to Heathrow. Price data was last updated on 22 August 2025.
Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Houston to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £112). Flying from Houston to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from HOU to LHR?
Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.
It’s typically best to fly out from Houston to London Heathrow Airport in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying at midday, which is usually more expensive.
How much does it cost for a return flight from Houston to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 29 August 2025.
Read through reviews of airlines operating flights from Houston to London Heathrow Airport, such as United Airlines, Virgin Atlantic, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Related info for your journey
Find useful and relevant information for your journey from Houston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Houston to London Heathrow Airport?
Departing from Houston to London Heathrow Airport will take you 9h. Airlines will cover a distance of 4820 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?
Cheapflights users have booked flights from Houston to London Heathrow Airport round-trip from £299. Other airlines that can offer you cheap pricing are United Airlines, from £387, and Iberia, from £449. These flights start at 50% lower than the current average price 3 months from now.
Can I find deals for business class flights from Houston to Heathrow?
Yes. Cheapflights offers flight deals from Houston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Houston to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £112). Flying from Houston to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2025.
Discover the top 5 airlines that operate flights from Houston to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Houston to Heathrow?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Houston today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Houston to Heathrow?
Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Houston to Heathrow with no change fees?
Need flexible booking options for your flight to Heathrow from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Houston to Heathrow become cheaper?
Not ready to book yet? You can track prices for flights from Houston to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.
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